1
Switch Mode Power Supply
S8VK-T (120/240/480/960 W Models)
Worldwide 3-phase Power Supply
Resistant in tough environments
Easy and fast installation
The most compact class on the market
• Wide input range for worldwide applications:
380 to 480 VAC (320 to 576 VAC)
•Possible for 2-phase input usage*:
380 to 480 VAC (340 to 576 VAC)
*When using the 960 W at 2-phase input, the power rating is 768 W.
•DC input can be available*:
450 to 600 VDC (450 to 810 VDC)
*Excluding 960 W
•High efficiency 91% typ. at 480 W model
•Wide operation temperature range: –40 to 70°C
• Power Boost function at 120%
•Meets LR maritime standards
•EMS: Conforms to EN 61204-3
EMI: EN61204-3 Class B
•RoHS Compliant
•Three year warranty
Note: Three year warranty conditions: Rated input voltage, 80% load,
Ambient operating temperature: 40°C, Standard mounting
Model Number Structure
Model Number Legend
Ordering Information
Note: For details on normal stock models, contact your nearest OMRON representative.
Power ratings Input voltage Output Voltage Output current Boost Current Model number
120 W 2-phase and 3-phase
380 to 480 VAC
450 to 600 VDC
24 V 5 A 6 A S8VK-T12024
240 W 24 V 10 A 12 A S8VK-T24024
480 W 24 V 20 A 24 A S8VK-T48024
960 W
3-phase
380 to 480 VAC 24 V 40 A 48 A
S8VK-T96024
2-phase
380 to 480 VAC 24 V 32 A -
!Refer to Safety Precautions for All Power Supplies and Safety
Precautions on page 12.
12
S8VK- T@@@@@
1. Power Ratings
120: 120 W
240: 240 W
480: 480 W
960: 960 W
2. Output voltage
24: 24 V
T59I-E-04
S8VK-T
2
Specifications
Ratings, Characteristics, and Functions
Note: Refer to page 4 for notes 1 to 13.
Power rating 120 W 240 W
Item Output voltage 24 V 24 V
Efficiency
3-phase, 400 VAC input *11
89% typ. 89% typ.
Input
Voltage range *1
3-phase, 380 to 480 VAC (allowable range: 320 to 576 VAC)
2-phase, 380 to 480 VAC (allowable range: 340 to 576 VAC)
450 to 600 VDC (allowable range: 450 to 810 VDC) *8
Frequency *1 50/60 Hz (47 to 63 Hz)
Current
3-phase, 400 VAC input *11
0.38 A typ. 0.69 A typ.
Power factor --
Leakage current 3-phase, 400 VAC input 3.5 mA max./1.3 mA typ. 3.5 mA max./1.4 mA typ.
Inrush current (for a
cold start at 25°C) *2 3-phase, 400 VAC input 28 A typ. 29 A typ.
Output
Rated output current 5 A 10 A
Boost current 6 A 12 A
Voltage adjustment range *3 22.5 to 29.5 VDC (with V.ADJ) (guaranteed)
Ripple & Noise
voltage *4
3-phase, 400 VAC input *11
160 mV p-p max. at 20 MHz of bandwidth 190 mV p-p max. at 20 MHz of bandwidth
Input variation influence *13 0.5% max.
Load variation influence *12 1.5% max.
Temperature
variation influence 3-phase, 400 VAC input 0.05%/°C max.
Start up time *2
3-phase, 400 VAC input *11
700 ms typ. 600 ms typ.
Hold time *2
3-phase, 400 VAC input *11
30 ms typ. 20 ms typ.
Additional
functions
Overload protection Yes, automatic reset Yes, automatic reset
Overvoltage protection Yes, 130% or higher of rated output voltage, power shut off (shut off the input voltage and turn on
the input again) *5
Series operation Yes (For up to two Power Supplies, external diodes are required.)
Parallel operation Yes (Refer to Engineering Data) (For up to two Power Supplies)
Output indicator Yes (LED: Green), lighting from 80% to 90% or more of rated voltage
Insulation Withstand voltage
3.0 kVAC for 1 min. (between all input terminals and output terminals) cutoff current 20 mA
2.5 kVAC for 1 min. (between all input terminals and PE terminal) cutoff current 20 mA
1.0 kVAC for 1 min. (between all output terminals and PE terminal) cutoff current 30 mA
Insulation resistance 100 MΩ min. (between all output terminals and all input terminals / PE terminal) at 500 VDC
Environment
Ambient operating temperature –40 to 70°C (However, only startup is guaranteed for between –40°C to –25°C. (3-phase only))
(Derating is required according to the temperature.) (with no condensation or icing)
Storage temperature –40 to 85°C (with no condensation or icing)
Ambient operating humidity 0% to 95% (Storage humidity: 0% to 95%)
Vibration resistance 10 to 55 Hz, 0.375-mm half amplitude for 2 h each in X, Y, and Z directions
Shock resistance 150 m/s2, 3 times each in ±X, ±Y, and ±Z directions
Reliability MTBF 135,000 hrs min.
Life expectancy *10 10 years min.
Construction
Weight 700 g max. 1,000 g max.
Cooling fan No
Degree of protection IP20 by EN / IEC 60529
Standards
Harmonic current emissions Conforms to EN 61000-3-2
EMI
Conducted Emission
Conforms to EN 61204-3 Class B EN 55011 Class B
Radiated Emission Conforms to EN 61204-3 Class B EN 55011 Class B
EMS Conforms to EN 61204-3 high severity levels
Approved Standards *6
UL Listed: UL 508 *7
EN: EN 50178
Lloyd’s standards *9
ANSI/ISA 12.12.01 *7
UL Listed: UL 508 *7
UL UR: UL 60950-1 (Recognition)
cUR: CSA C22.2 No.60950-1
CSA: CSA C22.2 No.60950-1
EN: EN 50178, EN 60950-1
Lloyd’s standards *9
ANSI/ISA 12.12.01 *7
Conformed Standards
SELV (EN 50178), PELV(EN 60204-1, EN 50178)
Safety of Power Transformers (EN 61558-2-16)
EN 50274 for Terminal parts
SELV (EN 60950-1/EN 50178/UL 60950-1)
PELV (EN 60204-1, EN 50178)
Safety of Power Transformers (EN 61558-2-16)
EN 50274 for Terminal parts
SEMI Conforms to F47-0706 (3-phase, 380 to 480 VAC input)
S8VK-T
3
Note: Refer to page 4 for notes 1 to 18.
Power rating 480 W 960 W (768 W *18)
Item Output voltage 24 V 24 V
Efficiency
3-phase, 400 VAC input *11
91% typ. 92% typ.
Input
Voltage range *1
3-phase, 380 to 480 VAC
(allowable range: 320 to 576 VAC)
2-phase, 380 to 480 VAC
(allowable range: 340 to 576 VAC)
450 to 600 VDC
(allowable range: 450 to 810 VDC) *8
3-phase, 380 to 480 VAC
(allowable range: 320 to 576 VAC)
2-phase, 380 to 480 VAC
(allowable range: 340 to 576 VAC)
Frequency *1 50/60 Hz (47 to 63 Hz)
Current
3-phase, 400 VAC input *11
1.2 A typ. 2.1 A typ.
Power factor --
Leakage current 3-phase, 400 VAC input 3.5 mA max./1.0 mA typ. 3.5 mA max./1.2 mA typ.
Inrush current (for a
cold start at 25°C) *2 3-phase, 400 VAC input 28 A typ.
Output
Rated output current 20 A 40 A at 3-phase (32 A at 2-phase)
Boost current 24 A 48 A at 3-phase (Not possible at 2-phase)
Voltage adjustment range *3 22.5 to 29.5 VDC (with V.ADJ) (guaranteed) 22.5 to 29.5 VDC (with V.ADJ) (guaranteed) *14
Ripple & Noise voltage *4
3-phase, 400 VAC input *11
130 mV p-p max. at 20 MHz of bandwidth 90 mV p-p max. at 20 MHz of bandwidth
Input variation influence *13 0.5% max.
Load variation influence *12 1.5% max.
Temperature
variation influence
3-phase, 400 VAC input
0.05%/°C max.
Start up time *2
3-phase, 400 VAC input *11
500 ms typ. 700 ms typ.
Hold time *2
3-phase, 400 VAC input *11
20 ms typ. 20 ms typ.
Additional
functions
Overload protection Yes, automatic reset
Overvoltage protection Yes, 130% or higher of rated output voltage, power shut off (shut off the input voltage and turn on
the input again) *5
Series operation Yes (For up to two Power Supplies, external diodes are required.)
Parallel operation Yes (Refer to Engineering Data) (For up to two Power Supplies)
Output indicator Yes (LED: Green), lighting from 80% to 90% or more of rated voltage
Insulation Withstand voltage
3.0 kVAC for 1 min. (between all input terminals and output terminals) cutoff current 20 mA
2.5 kVAC for 1 min. (between all input terminals and PE terminal) cutoff current 20 mA
1.0 kVAC for 1 min. (between all output terminals and PE terminal) cutoff current 30 mA
Insulation resistance 100 MΩ min. (between all output terminals and all input terminals / PE terminal) at 500 VDC
Environment
Ambient operating temperature –40 to 70°C (However, only startup is guaranteed for between –40°C to –25°C. (3-phase only))
(Derating is required according to the temperature.) (with no condensation or icing)
Storage temperature –40 to 85°C (with no condensation or icing)
Ambient operating humidity 0% to 95% (Storage humidity: 0% to 95%)
Vibration resistance 10 to 55 Hz, 0.375-mm half amplitude for 2 h each in X, Y, and Z directions
Shock resistance 150 m/s2, 3 times each in ±X, ±Y, and ±Z directions
Reliability MTBF 135,000 hrs min.
Life expectancy *10 10 years min.
Construction
Weight 1,600 g max. 2,700 g max.
Cooling fan No
Degree of protection IP20 by EN / IEC 60529
Standards
Harmonic current emissions Conforms to EN 61000-3-2 *15
EMI
Conducted Emission
Conforms to EN 61204-3 Class B EN 55011 Class B *16
Radiated Emission Conforms to EN 61204-3 Class B EN 55011 Class B *16
EMS Conforms to EN 61204-3 high severity levels
Approved Standards *6
UL Listed: UL 508 *7
UL UR: UL 60950-1 (Recognition)
cUR: CSA C22.2 No.60950-1
CSA: CSA C22.2 No.60950-1
EN: EN 50178, EN 60950-1
Lloyd’s standards
ANSI/ISA 12.12.01 *7
Conformed Standards
SELV (EN 60950-1/EN 50178/UL 60950-1)
PELV (EN 60204-1, EN 50178)
Safety of Power Transformers (EN 61558-2-16)
EN 50274 for Terminal parts
SEMI Conforms to F47-0706 (3-phase, 380 to 480 VAC input) *17
S8VK-T
4
*1. Do not use an inverter output for the Power Supply. Inverters with an output frequency of 50/60 Hz are available, but the rise in the internal
temperature of the Power Supply may result in ignition or burning.
*2. For a cold start at 25°C. Refer to Engineering Data on page 7 to 8 for details.
*3. If the output voltage adjuster (V. ADJ) is turned, the voltage will increase by more than 29.5 VDC of the voltage adjustment range.
When adjusting the output voltage, confirm the actual output voltage from the Power Supply and be sure that the load is not damaged.
*4. A characteristic when the ambient operating temperature is between –25 to 70°C.
*5. Refer to Overvoltage Protection on page 8 for the time when input voltage shuts off and input turns on again.
*6. To meet safety standards, the S8VK-T must be protected with an external circuit-breaker or a fuse.
Be sure to use an external circuit-breaker or a fuse. Refer to Precautions for Safe Use on page 13 for details.
*7. The following supplementary Fuse/Circuit Breaker must be installed in accordance with NEC.:
Model FAZ-D5/3-NA, FAZ-D5/3-RT or FAZ-D5/3-DU, EATON INDUSTRIES (AUSTRIA) GMBH (E235139), Model KLKD5, LITTELFUSE INC.
(E10480)
*8. Safety Standards for a DC Input
The following standards apply to a 450 to 600 VDC input: UL 60950-1, EN 50178, EN 60950-1, and Lloyd's standards.
*9. In the case of using side-mounting bracket (S82Y-VK10S, S82YVK20S), Lloyd's Standards are not applicable.
*10. The value is when rated output current is 50% or less, the ambient operating temperature is 40°C or less, standard mounting, and rated input
voltage.
*11. The value is when both rated output voltage and rated output current are satisfied.
*12. 380 to 480 VAC input, in the range of 0 A to the rated output current.
*13. This is the maximum variation in the output voltage when the input voltage is gradually changed within the allowable input voltage range at
the rated output voltage and rated output current.
*14. Use at 26.4 VDC or lower for 2-phase input.
*15. The S8VK-T Power Supply conforms to EN 61000-3-2 under the following conditions for 2-phase input.
480 W: rated output voltage, and 65% or less of rated output current
960 W: rated output voltage, and 45% or less of rated output current
*16. The S8VK-T Power Supply conforms to EMI under the following conditions for 2-phase input.
480 W: Conforms to class B: rated output voltage, and 65% or less of rated output current/
Conforms to class A: rated output voltage, and 65% to 100% of rated output current
960 W: Conforms to class B: rated output voltage, and 45% or less of rated output current/
Conforms to class A: rated output voltage, and 45% to 100% of rated output current
*17. 480 W: rated output voltage, and 50% or less of rated output current.
960 W: rated output voltage, and 92.5% or less of rated output current.
*18. When using 2-phase input. Refer to 2-Phase Input Operation For 960 W Model in Precautions for Safe Use on page 16 for details.
S8VK-T
5
Connections
Block Diagrams
Voltage
detection circuit
Photocoupler
Rectifier/
smoothing
circuit
L1
L2
INPUT
L3
Drive
control
circuit
+V
−V
DC OUTPUT
Overvoltage
detection circuit
Noise filter
lnrush
current
protection
Smoothing
circuit
Overcurrent
detection circuit
Rectifier
S8VK-T12024 (120 W)
S8VK-T24024 (240 W)
S8VK-T48024 (480 W)
S8VK-T96024 (960 W)
Voltage
detection circuit
Photocoupler
Rectifier/
smoothing
circuit
L1
L2
INPUT
L3
Drive
control
circuit
+V
−V
DC OUTPUT
Overvoltage
detection circuit
Noise filter
lnrush
current
protection
Smoothing
circuit
Overcurrent
detection circuit
Rectifier
S8VK-T
6
Construction and Nomenclature
Nomenclature
*1. For wiring, refer to Wiring in Precautions for Safe Use on page 13.
*2. This is the protective earth terminal specified in the safety standards. Always ground this terminal.
*3. For parallel operation, refer to Parallel Operation in Precautions for Safe Use on page 15.
*4. For 2-phase input, refer to 2-Phase Input Operation For 960 W Model in Precautions for Safe Use on page 16.
120 W Model 240 W Model 480 W Model
S8VK-T12024 S8VK-T24024 S8VK-T48024
960 W Model
S8VK-T96024
No. Name Function
1 Input terminals (L1), (L2), (L3) Connect the input lines to these terminals. *1
2 Protective Earth terminal (PE) / Ground Connect the ground line to this terminal. *2
3 DC Output terminals (−V), (+V) Connect the load lines to these terminals.
4 Output indicator (DC ON: Green) Lights while a direct current (DC) output is ON.
5 Output voltage adjuster (V.ADJ) Use to adjust the voltage.
6 Operation Switch *3 *4 To operate in parallel or 2-phase input, set the switch to the "B" side. (960 W model only).
12
3
5
4
3
5
4
12
5
4
12 3
12 3
5
4
6
Note:
A: The output current can use 100% of the rated output current.
B: Overcurrent protection limits the output current to 80% of the rated
output current.
S8VK-T
7
Engineering Data
Derating Curve
120 W (S8VK-T12024)
Note: This is the guaranteed value for startup. (3-phase only)
A. Standard mounting
B. Face-up mounting at 480 VAC or lower or 678 VDC or lower
C. Face-up mounting at 576 VAC or lower or 810 VDC or lower
240 W (S8VK-T24024)
Note: This is the guaranteed value for startup. (3-phase only)
A. Standard mounting
B. Face-up mounting at 480 VAC or lower or 678 VDC or lower
C. Face-up mounting at 576 VAC or lower or 810 VDC or lower
480 W (S8VK-T48024)
Note: This is the guaranteed value for startup. (3-phase only)
A. Standard mounting
Over 528 VAC: the derating is 0.21%/VAC
Over 746 VAC: the derating is 0.16%/VDC
B. Face-up mounting at 480 VAC or lower or 678 VDC or lower
C. Face-up mounting at 576 VAC or lower or 810 VDC or lower
960 W (S8VK-T96024): Standard mounting
Note: This is the guaranteed value for startup. (3-phase only)
A. 3-Phase (340 VAC or over to 576 VAC or lower)
For less than 340 VAC, it is possible to use with output voltage at
28.5 VDC or lower and load rate 60% or lower.
B. 2-Phase (380 VAC or over to 576 VAC or lower, and output voltage
26.4 VDC or lower)
C. 2-Phase (360 VAC or over to 380 VAC or lower, and output voltage
26.4 VDC or lower)
For 340 VAC or over to less than 360 VAC, it is possible to use with
output voltage at 26.4 VDC or lower, and whichever is the smaller of
the load rate 60% or lower or the value of C.
960 W (S8VK-T96024): Face-up mounting
Note: This is the guaranteed value for startup. (3-phase only)
D. 3-Phase (340 VAC or over to 576 VAC or lower)
For less than 340 VAC, it is possible to use with output voltage at
28.5 VDC or lower and load rate 60% or lower.
E. 2-Phase ( 380 VAC or over to 480 VAC or lower, and output voltage
26.4 VDC or lower)
F. 2-Phase (Over 480 VAC to 576 VAC or lower)
For 340 VAC or over to less than 380 VAC, it is possible to use with
output voltage at 26.4 VDC or lower, and whichever is the smaller of
the load rate 60% or lower or the value of F.
−40 −25 −10 0 10 20 30 40 50 60 70 80
120
100
80
60
40
20
0
A
B
C
Load ratio (%)
Ambient temperature (°C)
−40 −25 −10 0 10 20 30 40 50 60 70 80
120
100
80
60
40
20
0
A
B
C
Load ratio (%)
Ambient temperature (°C)
−40 −25 −10 0 10 20 30 40 50 60 70 80
120
100
80
60
40
20
0
A
B
C
Load ratio (%)
Ambient temperature (°C)
−40 −25 −10 0 10 20 30 40 50 60 70 80
120
100
80
60
40
20
0
B
C
A
Load ratio (%)
Ambient temperature (°C)
−40 −25 −10 0 10 20 30 40 50 60 70 80
120
100
80
60
40
20
0
D
E
F
Load ratio (%)
Ambient temperature (°C)
S8VK-T
8
Mounting
Overload Protection
The load and the power supply are automatically protected from
overcurrent damage by this function.
Overload protection is activated if the output current rises above
121% of the rated current.
When the output current returns within the rated range, overload
protection is automatically cleared.
Note: 1. Internal parts may occasionally deteriorate or be damaged
if a short-circuited or overcurrent state continues during
operation.
2. Internal parts may possibly deteriorate or be damaged if the
Power Supply is used for applications with frequent inrush
current or overloading at the load end. Do not use the Power
Supply for such applications.
Overvoltage Protection
Consider the possibility of an overvoltage and design the system so
that the load will not be subjected to an excessive voltage even if the
feedback circuit in the Power Supply fails. If an excessive voltage that
is approximately 130% of the rated voltage or more is output, the
output voltage is shut OFF. Reset the input power by turning it OFF
for at least five minutes and then turning it back ON again.
Note: Do not turn ON the power again until the cause of the
overvoltage has been removed.
Inrush Current, Startup Time, Output Hold Time
Note: Twice the input current or above will flow during the parallel
operation or redundant system.
Therefore, check the fusing characteristics of fuses and
operating characteristics of breakers making sure that the
external fuses will not burn out and the circuit breakers will not
be activated by the inrush current.
Reference Value
(B) Face-up mounting
(A) Standard (Vertical) mounting
The values shown in the above diagrams are for reference only.
050100
Output current (%)
Output voltage (V)
Intermittent operation
Reliability
(MTBF)
Value
120 W: 390,000 h
240 W: 350,000 h
480 W: 280,000 h
960 W: 260,000 h
Definition
MTBF stands for Mean Time Between
Failures, which is calculated according to the
probability of accidental device failures, and
indicates reliability of devices.
Therefore, it does not necessarily represent a
life of the product.
Life expectancy 10 years. Min.
Definition
The life expectancy indicates average
operating hours under the ambient
temperature of 40°C and a load rate of 50%.
Normally this is determined by the life
expectancy of the built-in aluminum electrolytic
capacitor.
29.5 V
22.5 V
0 V
+30%
(approx.)
Overvoltage protection
operating
Variable range
Rated output
voltage
Output voltage (V)
The values shown in the above diagram is for reference only.
90%
96.5%
Startup time
AC input
voltage
AC input
current
Output
voltage
Inrush current on input application
Input OFF
Input ON
Hold time
S8VK-T
9
Dimensions (Unit: mm)
117.8
(4)
112.2
(1)
(10)
6.35
6.35
19.84.7
(Sliding: 7.5 max.)Rail Stopper
40±1
104.6 125±1
122.2±1
S8VK-T12024 (120 W)
104.6
(10)
6.35
4.7
(Sliding: 7.5 max.)
19.8
Rail Stopper
6.35
60±1
125±1
145.6
(4)140
(1) 150±1
S8VK-T24024 (240 W)
6.35 6.35
30 25
19.8
(26.8)
Rail Stopper
4.7
(Sliding: 7.5 max.)
(10)
125±1
145.6
(4)140
(1) 150±1
52.3
95±1
S8VK-T48024 (480 W)
10.16
47.9 10.16
170
175.6
4.7
(Sliding: 7.5 max.)
(10)
125±1
(4)
(1)
135±1
41.7832.95
19.8
(36.7)
Rail Stopper
180±1
S8VK-T96024 (960 W)
S8VK-T
10
DIN Rail (Order Separately)
Note: All units are in millimeters unless otherwise indicated.
Mounting Rail (Material: Aluminum)
PFP-100N
PFP-50N
Mounting Rail (Material: Aluminum)
PFP-100N2
End Plate
PFP-M
Note: If there is a possibility that the Unit will be subject to vibration or shock, use a steel DIN Rail. Otherwise, metallic filings may result from
aluminum abrasion.
4.5
15 25 25
10 10
1,000 (500) *
25 25 15(5) *
35±0.3
7.3±0.15
27±0.15
1
* Values in parentheses are for the PFP-50N.
4.5
15 25 25
10 10
1,000
25 25 15 1 1.5
29.2242735±0.3
16
1.3
4.8
35.5 35.5
1.8
1.8
10
6.2
1
50
11.5
10
M4 spring washer
M4×8 pan-
head screw
S8VK-T
11
Mounting Brackets
Note: Be sure to use the accessory screws.
Mounting screw tightening torque (recommended): 4.43 to 5.31 lb-in (0.5 to 0.6 N·m)
*You can mount the side of the Power Supply to a DIN Rail by removing the DIN Rail Back-mounting Bracket and then attaching a Side-mounting
Bracket to the Power Supply.
Name Model Qty used
Front-mounting bracket (for 120, 240 and 480 W models) S82Y-VK10F 1
Front-mounting bracket (for 960 W model) S82Y-VK10F 2
Side-mounting bracket (for 120 W model) S82Y-VK10S 1
Side-mounting bracket (for 240 W model) S82Y-VK20S 1
Type Model Dimensions Appearance
Front-mounting
bracket
(for 120, 240,
480 W and 960 W
models)
S82Y-VK10F
Side-mounting
bracket
(For 120 W model)
S82Y-VK10S
Side-mounting
bracket
(For 240 W model)
S82Y-VK20S
38
150
140
±0.1
25
±0.1
4-4.5 dia.
±0.1
5.4 64
±0.1
t = 2.0
For 960W type
120 W model
960 W model
240 W model
140±0.1
50±0.1 15.5±0.1
150125
73
4-4.5 dia.±0.1
4940
t = 2.0
Left-side mounting Right-side mounting
Left-side mounting
(DIN Rail) *
Right-side mounting
(DIN Rail) *
140
±0.1
50
±0.1
15.5
±0.1
150125
73
59
40
4-4.5 dia.
±0.1
t = 2.0
Left-side mounting Right-side mounting
Left-side mounting
(DIN Rail) *
Right-side mounting
(DIN Rail) *
S8VK-T
12
Safety Precautions
Warning Indications
Meaning of Product Safety Symbols
!CAUTION
Minor electric shock, fire, or Product failure may
occasionally occur. Do not disassemble, modify, or
repair the Product or touch the interior of the
Product.
Minor burns may occasionally occur. Do not touch
the Product while power is being supplied or
immediately after power is turned OFF.
Fire may occasionally occur. Tighten terminal screws
to the specified torque.
S8VK-T12024, S8VK-T24024, S8VK-T48024:
4.43 to 5.31 lb-in (0.5 to 0.6 N•m)
S8VK-T96024:
10.62 to 13.28 lb-in (1.2 to 1.5 N•m)
Minor injury due to electric shock may occasionally
occur. Do not touch the terminals while power is
being supplied.
Minor electric shock, fire, or Product failure may
occasionally occur. Do not allow any pieces of metal
or conductors or any clippings or cuttings resulting
from installation work to enter the Product.
If the external breaker or fuse is tripped, the
equipment may have been seriously damaged.
Do not turn ON the input again.
CAUTION
Indicates a potentially hazardous
situation which, if not avoided, may
result in minor or moderate injury or in
property damage.
Precautions for
Safe Use
Supplementary comments on what to
do or avoid doing, to use the product
safely.
Precautions for
Correct Use
Supplementary comments on what to
do or avoid doing, to prevent failure to
operate, malfunction or undesirable
effect on product performance.
Used to warn of the risk of electric shock under
specific conditions.
Used to warn of the risk of minor injury caused by
high temperatures.
Used for general mandatory action precautions
for which there is no specified symbol.
Used to indicate prohibition when there is a risk of
minor injury from electrical shock or other source
if the product is disassembled.
S8VK-T
13
Wiring
•Connect the ground completely. A protective earthing terminal
stipulated in safety standards is used. Electric shock or malfunction
may occur if the ground is not connected completely.
•Minor fire may possibly occur. Ensure that input and output
terminals are wired correctly.
•Do not apply more than 75-N force to the terminal block when
tightening it.
•Be sure to remove the sheet covering the Product for machining
before power-ON so that it does not interfere with heat dissipation.
•To comply with safety standards and to ensure equipment safety,
connect the input to the S8VK-T through one of the following
Breakers or Fuses.
Power circuit-breakers
Note: Do not use the S8VK-T96024 with a DC input.
•Use the following material for the wires to be connected to the
S8VK-T to prevent smoking or ignition caused by abnormal loads
or phase failure.
•Wire the input as shown in the following figures depends on your
power distribution system. Do not connect the neutral line in a
3-phase, 4-wire system.
Recommended Wire Type/Cross-sectional Area and Stripping Length
•The wire insertion hole, and applicable screwdriver of the terminal block are as follows.
Installation Environment
•Do not use the Power Supply in locations subject to shocks or
vibrations. In particular, install the Power Supply as far away as
possible from contactors or other devices that are a vibration
source. For usage onboard a ship, always attach an End Plate
(PFP-M) to both sides of the Power Supply to hold the Power
Supply in place.
•Install the Power Supply well away from any sources of strong,
high-frequency noise and surge.
Operating Life
•The life of a Power Supply is determined by the life of the
electrolytic capacitors used inside. Here, Arrhenius Law applies,
i.e., the life will be cut in half for each rise of 10°C or the life will be
doubled for each drop of 10°C. The life of the Power Supply can
thus be increased by reducing its internal temperature.
Ambient Operating and Storage Environments
•Store the Power Supply at a temperature of −40 to 85°C and a
humidity of 0% to 95%.
•Do not use the Power Supply in areas outside the derating curve
otherwise, internal parts may occasionally deteriorate or be
damaged.
•Use the Power Supply at a humidity of 0% to 95%.
•Do not use the Power Supply in locations subject to direct sunlight.
•Do not use the Power Supply in locations where liquids, foreign
matter, or corrosive gases may enter the interior of Products.
Precautions for Safe Use
Model Input Power circuit-breakers
S8VK-T12024
S8VK-T24024
3-phase
Circuit breaker Conforming UL/CE
480 V, 5 A, characteristic D, 3-pole, or
equivalent breaker
2-phase/DC Fuse Conforming UL/CE 600 V, 5 A
Fast Acting or identical function fuse
S8VK-T48024
S8VK-T96024
3-phase
Circuit breaker Conforming UL/CE
480 V, 5 A, characteristic D, 3-pole, or
equivalent breaker
2-phase/DC Fuse Conforming UL/CE 600 V, 10 A
Fast Acting or identical function fuse
L1
TN-S
L2
L3
N
PE
L1
TN-C
L2
L3
PEN
L1
FUSE
2-phase
L2
(L3)
PE
L1
TT
L2
L3
N
L1
IT
L2
L3
+
DC
-
PE
FUSE
Model
INPUT OUTPUT PE / Ground Wire tripping
Length
American
Wire Gauge
Solid Wire
/Stranded Wire
American
Wire Gauge
Solid Wire
/Stranded Wire
American
Wire Gauge
Solid Wire
/Stranded Wire
S8VK-T12024 AWG22 to 10 0.35 to 6 mm2
/0.35 to 4 mm2AWG18 to 10 0.75 to 6 mm2
/0.75 to 4 mm2
AWG14 to 10 2.5 to 6 mm2
/2.5 to 4 mm28 to 10 mmS8VK-T24024 AWG22 to 10 0.35 to 6 mm2
/0.35 to 4 mm2AWG14 to 10 2.5 to 6 mm2
/2.5 to 4 mm2
S8VK-T48024 AWG20 to 10 0.5 to 6 mm2
/0.5 to 4 mm2AWG12 to 10 4 to 6 mm2
/4 mm2
S8VK-T96024 AWG16 to 6 1.5 to 16 mm2
/1.5 to 16 mm2AWG8 to 6 10 to 16 mm2
/10 to 16 mm2AWG14 to 6 2.5 to 16 mm2
/2.5 to 16 mm213 to 16 mm
Model
Wire Insertion Hole
(Refer to the diagram on the right) Applicable Screwdriver
W L No. Driver
Diameter Length
S8VK-T12024
2.9 2.9 #2 4.9 mm max. 10 mm min.S8VK-T24024
S8VK-T48024
S8VK-T96024 5.4 5 #2 5.1 mm max. 12 mm min. W
L
S8VK-T
14
Mounting
•Take adequate measures to ensure proper heat dissipation to
increase the long-term reliability of the Product. Be sure to allow
convection in the atmosphere around devices when mounting. Do
not use in locations where the ambient temperature exceeds the
range of the derating curve.
•When cutting out holes for mounting, make sure that cuttings do
not enter the interior of the Products.
•Improper mounting will interfere with heat dissipation and may
occasionally result in deterioration or damage of internal parts. Use
the Product within the derating curve for the mounting direction that
is used.
Overload Protection
•Internal parts may possibly deteriorate or be damaged if a
short-circuited or overcurrent state continues during operation.
•Internal parts may possibly deteriorate or be damaged if the Power
Supply is used for applications with frequent inrush current or
overloading at the load end. Do not use the Power Supply for such
applications.
•The DC ON indicator (green) flashes if the overload protection
function operates.
Charging a Battery
If you connect a battery as the load, install overcurrent control and
overvoltage protection circuits.
Output Voltage Adjuster (V.ADJ)
•The output voltage adjuster (V.ADJ) may possibly be damaged if it
is turned with unnecessary force. Do not turn the adjuster with
excessive force.
•After completing output voltage adjustment, be sure that the output
capacity or output current does not exceed the rated output
capacity or rated output current.
DIN Rail Mounting
To mount the Block on a DIN Rail, hook portion (A) of the Block onto
the rail and press the Block in direction (B).
To dismount the Block, pull down portion (C) with a flat-blade
screwdriver and pull out the Block.
Power Boost Function
For All Models
Power Boost is a function that can output the temporary repeated
boost current larger than the rated current.
However, it should meet the following four Boost current conditions.
1. Time that the boost current flows: t1
2. The maximum value of the boost current: lp
3. The average output current: lave
4. The time ratio of the boost current flow: Duty
Note: Boost current conditions
•Do not allow the boost current to continue for more than 10
seconds.
Also, do not let the duty cycle exceed the boost current conditions.
These conditions may damage the Power supply.
•Ensure that the average current of one cycle of the boost current
does not exceed the rated output current.
This may damage the Power Supply.
•Lessen the load of the boost load current by adjusting the ambient
temperature and the mounting direction.
•Power Boost Function is not possible for the S8VK-T 960 W at
2-phase input or in parallel operation.
Series Operation
Two power supplies can be connected in series.
Note: 1. The diode is connected as shown in the figure. If the load is
short-circuited, a reverse voltage will be generated inside
the Power Supply. If this occurs the Power Supply may
possibly deteriorate or be damaged. Always connect a
diode as shown in the figure.
Select a diode having the following ratings.
2. Although Products having different specifications can be
connected in series, the current flowing through the load
must not exceed the smaller rated output current.
*1. Convection of air
*2. 20 mm min.
*1
*1
*2
(B)
(A)
(C)
30 mm min.
Rail stopper
Type Schottky Barrier diode
Dielectric strength (VRRM) Twice the rated output voltage or above
Forward current (IF) Twice the rated output current or above
• t1
• Ip
• lave
≤ 10 s
≤ Rated boost current
≤ Rated current
Duty= t1 + t2
t1 × 100 [%] ≤ 30%
[A]
Ip: Boost current
Rated current
lave: Average current
t2
t1
output current
+V
−V
+V
−V
L1
L2
L3
L2
L1
L3
Load
S8VK-T
15
Making Positive/Negative Outputs
•The outputs are floating outputs (i.e., the primary circuits and
secondary circuits are separated). You can therefore make
positive and negative outputs by using two Power Supplies.
You can make positive and negative outputs with any of the
models.
If positive and negative outputs are used, connect Power Supplies
of the same model as in the following figure. (Combinations with
different output capacities or output voltages can be made.
However, use the lower of the two maximum rated output currents
as the current to the loads.)
•Depending on the model, internal circuits may be damaged due to
startup failure when the power is turned ON if loads such as a
servomotor or operational amplifier may operate in series.
Therefore, connect bypass diodes (D1, D2) as shown in the
following figure.
If the list of models that support series connection of outputs says
that an external diode is not required, an external diode is also not
required for positive/negative outputs.
•Use the following information as a guide to the diode type,
dielectric strength, and current.
Parallel Operation
Parallel operation is used when the output current from one Power
Supply is insufficient for the load. Power Supplies are connected in
parallel to increase the output current.
Two Power Supplies can be connected in parallel.
1. Parallel operation is possible only if the standard mounting and
3-phase input is used.
Maintain an ambient temperature of between -25 and 40°C.
2. For parallel operation, always use two Power Supplies with the
same capacity.
3. Use the output voltage adjusters (V. ADJ) to adjust the difference
in the output voltages between the two Power Supplies to 50 mV
or less.
4. If the output current from the two Power Supplies is not balanced,
the Power Supply with the higher output voltage will operate in an
overcurrent protection state, which will extremely reduce its
service life. After you adjust the difference in the output voltages
between the two Power Supplies, make sure that the currents are
well balanced.
5. The length and thickness of each wire connected to the load and
each unit must be the same so that there is no difference in the
voltage drop value between the load and the output terminals of
each Power Supply.
6. For Parallel Operation with units 120 W, 240 W S8VK-T Power
Supplies, connect diodes or S8VK-R to the outputs of each unit if
sudden load variation influence occurs in the ambient operation
environment.
Refer to the S8VK-R datasheet (Catalog No.: T059) for S8VK-R
specifications and the model number for each capacity.
7. The internal parts may occasionally be deteriorated or broken. Be
sure to set the OPERATION SWITCH to B when using S8VK-T
480 W, 960 W for Parallel Operation.
For Parallel Operation with units 960 W S8VK-T Power Supplies,
connect diodes to the outputs of each unit if sudden load variation
influence occurs in the ambient operation environment.
•Use the following information as a guide to the diode type,
dielectric strength, and current.
Type Schottky Barrier diode
Dielectric strength (VRRM) Twice the rated output voltage or above
Forward current (IF) Twice the rated output current or above
+V
−V
+V
−V
+V
0 V
−V
L1
L2
L3
L2
L1
L3
LoadLoad
+V
−V
+V
−V
L1
L2
L3
L2
L1
L3
LoadLoad
Load
D2
D1
Type Schottky Barrier diode
Dielectric strength (VRRM) Twice the rated output voltage or above
Forward current (IF) Twice the rated output current or above
+V
−V
+V
−V
+V
−V
L1
L2
L3
L2
L1
L3
Load
S8VK-R
IN 1
IN 2
S8VK-T
S8VK-T
+V
−V
+V
−V
L1
L2
L3
L2
L1
L3
Load
S8VK-T
16
Backup Operation
Backup operation is possible if you use two Power Supplies of the
same model.
Even if one Power Supplies fails, operation can be continued with the
other Power Supply.
Make sure that the maximum load does not exceed the capacity of
one Power Supply.
For backup operation, connect the S8VK-R for 120 W, 240 W, and
480 W.
Refer to the S8VK-R datasheet (Catalog No.: T059) for S8VK-R
specifications and the model number for each capacity.
For 960 W, always connect diodes to the output sides of the two
Power Supplies as shown in the following diagram.
•Use the following information as a guide to the diode type,
dielectric strength, and current.
•Increase the output voltage setting of Power Supply A and Power
Supply B by the drop in the forward voltage (VF) of diodes D1 and
D2.
Also, the diodes will cause a power loss equivalent to the Power
Supply output current (IOUT) times the diode forward voltage (VF).
Therefore, cooling measures must be implemented so that the
temperature of the diodes decreases to the catalog value or lower.
•Because of the load power and power loss due to the diodes, do
not exceed the rated power of one Power Supply (rated output
voltage × rated output current).
In Case There Is No Output Voltage
The possible cause for no output voltage may be that the overcurrent
or overvoltage protection has operated. The internal protection may
operate if a large amount of surge voltage such as a lightening surge
occurs while turning ON the power supply.
In case there is no output voltage, please check the following points
before contacting us:
•Checking overload protected status:
Check whether the load is in overload status or is short-circuited.
Remove wires to load when checking.
•Checking overvoltage or internal protection:
Turn the power supply OFF once, and leave it OFF for at least
5 minutes. Then turn it ON again to see if this clears the condition.
2-Phase Input Operation For 960 W Model
The internal parts may occasionally be deteriorated or broken. Be sure
to set the OPERATION SWITCH to B when using S8VK-T 960 W at
2-phase input.
Type Schottky Barrier diode
Dielectric strength (VRRM) Twice the rated output voltage or above
Forward current (IF) Twice the rated output current or above
+V
−V
+V
−V
+V
−V
L1
L2
L3
L2
L1
L3
Load
S8VK-R
IN 1
IN 2
S8VK-T
S8VK-T
+V
−V
+V
−V
L1
L2
L3
L2
L1
L3
A
B
D1
D2
Load
Note:
A: The output current can use 100%
of the rated output current.
B: Overcurrent protection limits the
output current to 80% of the rated
output current.
S8VK-T
17
Period and Terms of Warranty
Warranty Period
The product warranty is valid for a period of three years from the date of shipment from the factory.
Terms of Warranty
The warranty is valid only for the following operating conditions.
1. Average ambient operating temperature of the product: 40°C max.
2. Average load rate: 80% max.
3. Mounting method: Standard mounting
* The maximum ratings must be within the derating curve.
If the product fails for reasons attributable to OMRON within the above warranty period, OMRON will repair or replace the faulty part of the product
at the place of purchase or the place where the product delivered without charge.
This warranty does not cover the following types of failures.
Recommended Replacement Periods and Periodic Replacement for
Preventive Maintenance
The recommended replacement period for preventive maintenance is greatly influenced by the application environment of the product. As a
guideline, the recommended replacement period is 7 to 10 years.*
To prevent failures or accidents that can be caused by using a product beyond its service live, we recommend that you replace the product as early
as possible within the recommended replacement period.
However, bear in mind that the recommended replacement period is for reference only and does not guarantee the life of the product.
Many electronic components are used in the product and the product depends on the correct operation of these components to achieve the original
product functions and performance.
However, the influence of the ambient temperature on aluminum electrolytic capacitors is large, and the service life is reduced by half for each
10°C rise in temperature (Arrhenius law).
When the capacity reduction life of the electrolytic capacitor is reached, the product failures or accidents may occur.
We therefore recommend that you replace the product periodically to minimize product failures or accidents in advance.
* The recommended replacement period applies under the following conditions: rated input voltage, load rate of 50% max., ambient temperature
of 40°C max., and the standard mounting method. (The fan is excluded for models with fans.)
This product model is designed with a service life of 10 years minimum under the above conditions.
(1) Failures that result from handling or operation of the product under conditions or in environments that are not given in this document and
not given in any other specifications exchanged between OMRON and the customer
(2) Failures that originate in causes other than the delivered product itself
(3) Failures caused by disassembly, modification, or repair of the product by anyone other than OMRON
(4) Failures caused by applications or uses for which the product was not originally intended
(5) Failures caused by factors that could not be anticipated with the scientific or technical knowledge available when the product was shipped
(6) Failures caused by other causes for which OMRON is not responsible, such as natural disasters and other acts of God
This warranty is limited to the individual product that was delivered and does not cover any secondary, subsequent, or related damages.
OMRON CANADA, INC. • HEAD OFFICE
Toronto, ON, Canada • 416.286.6465 • 866.986.6766 • www.omron247.com
OMRON ELECTRONICS DE MEXICO • HEAD OFFICE
México DF • 52.
55.59.01.43.00
• 01-800-226-6766 • mela@omron.com
OMRON ELECTRONICS DE MEXICO • SALES OFFICE
Apodaca, N.L. • 52.81.11.56.99.20 • 01-800-226-6766 • mela@omron.com
OMRON ELETRÔNICA DO BRASIL LTDA • HEAD OFFICE
São Paulo, SP, Brasil • 55.11.2101.6300 • www.omron.com.br
OMRON ARGENTINA • SALES OFFICE
Cono Sur • 54.11.4783.5300
OMRON CHILE • SALES OFFICE
Santiago • 56.9.9917.3920
OTHER OMRON LATIN AMERICA SALES
54.11.4783.5300
Authorized Distributor:
T59I-E-04 12/16 Note: Specifications are subject to change. © 2016 Omron. All Rights Reserved. Printed in U.S.A.
Printed on recycled paper.
OMRON AUTOMATION AMERICAS HEADQUARTERS • Chicago, IL USA • 847.843.7900 • 800.556.6766 • www.omron247.com
OMRON EUROPE B.V. •
Wegalaan 67-69, NL-2132 JD, Hoofddorp, The Netherlands.
•
+31 (0) 23 568 13 00
•
www.industrial.omron.eu
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